ArcGIS Engine自定义工具类，实现添加图名，比例尺，指北针
作者：zhangche… 文章来源：GIS空间站 点击数：526 更新时间：2010-2-8
摘要：ArcGIS Engine自定义工具类，实现添加图名，比例尺，指北针等。 自定义工具类，实现添加图名，比例尺，指北针
-------------------------添加图名------------------------------
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using ESRI.ArcGIS.Display;
using ESRI.ArcGIS.SystemUI;
using ESRI.ArcGIS.Carto;
using ESRI.ArcGIS.esriSystem;
using ESRI.ArcGIS.Output;
using ESRI.ArcGIS.Controls;
using ESRI.ArcGIS.Geometry;
using ESRI.ArcGIS.ADF.BaseClasses;
using stdole;
//自定义工具类，实现添加图名功能
namespace WindowsApplication1
{
class addPageLayoutName:BaseTool
{
public Form1 formTemp;
TextBox textbox;
AxPageLayoutControl axLayoutControl;
IPoint pPoint;
//double xMap, yMap;
public static double xMap;
public static double yMap;
public override void OnMouseDown(int Button, int Shift, int X, int Y)
{
if (Button==1)
{
pPoint = formTemp.returnPageLayoutControl().ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(X, Y);
xMap = pPoint.X;
yMap = pPoint.Y;
formTemp.returnTextbox1().Location = new System.Drawing.Point(X,Y);
formTemp.returnTextbox1().Visible = true;
formTemp.returnTextbox1().Focus();
formTemp.returnTextbox1().Text = "请在此输入图名";
}
}
public override void OnCreate(object hook)
{
axLayoutControl = hook as AxPageLayoutControl;
}
public void AddTextElement(AxPageLayoutControl PageLayoutControl,double x,double y,string textName)
{
IPageLayout pPageLayout;
IActiveView pAV;
IGraphicsContainer pGraphicsContainer;
IPoint pPoint;
ITextElement pTextElement;
IElement pElement;
ITextSymbol pTextSymbol;
IRgbColor pColor;
pPageLayout = PageLayoutControl.PageLayout;
pAV = (IActiveView)pPageLayout;
pGraphicsContainer = (IGraphicsContainer)pPageLayout;
pTextElement = new TextElementClass();
IFontDisp pFont = new StdFontClass() as IFontDisp;
pFont.Bold = true;
pFont.Name = "宋体";
pFont.Size = 13;
pColor = new RgbColorClass();
pColor.Red = 255;
pTextSymbol = new TextSymbolClass();
pTextSymbol.Color = (IColor)pColor;
pTextSymbol.Font = pFont;
pTextElement.Text = textName;
pTextElement.Symbol = pTextSymbol;
pPoint = new PointClass();
pPoint.X = x;
pPoint.Y = y;
pElement = (IElement)pTextElement;
pElement.Geometry = (IGeometry)pPoint;
pGraphicsContainer.AddElement(pElement, 0);
pAV.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
}
}
另外附加其它（添加比例尺，指北针的代码，，，也是通过自定义工具类实现的，，，，下列只给出自定义工具类的代码！）
---------------------------------------添加指北针-------------------------------------------
using System;
using System.Collections.Generic;
using System.Text;
using ESRI.ArcGIS.Carto;
using ESRI.ArcGIS.Controls;
using ESRI.ArcGIS.Display;
using ESRI.ArcGIS.Geometry;
using ESRI.ArcGIS.ADF.BaseClasses;
namespace WindowsApplication1
{
sealed class addNorthArrow : BaseTool
{
AxPageLayoutControl axPageLayout=null;
IPoint pPoint;
bool bInuse;
INewEnvelopeFeedback pNewEnvelopeFeedback = null;
public addNorthArrow()
{
base.m_caption= "添加指北针";
base.m_toolTip = "添加指北针";
base.m_category = "customCommands";
base.m_message = "添加指北针";
base.m_deactivate = true;
}
public override void OnCreate(object hook)
{
axPageLayout = (AxPageLayoutControl)hook;
}
public override void OnMouseDown(int Button, int Shift, int X, int Y)
{
pPoint = axPageLayout.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(X, Y);
bInuse = true;
}
public override void OnMouseMove(int Button, int Shift, int X, int Y)
{
if (bInuse==false)
{
return;
}
if (pNewEnvelopeFeedback==null)
{
pNewEnvelopeFeedback = new NewEnvelopeFeedbackClass();
pNewEnvelopeFeedback.Display = axPageLayout.ActiveView.ScreenDisplay;
pNewEnvelopeFeedback.Start(pPoint);
}
pNewEnvelopeFeedback.MoveTo(axPageLayout.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(X, Y));
}
public override void OnMouseUp(int Button, int Shift, int X, int Y)
{
if (bInuse==false)
{
return;
}
if (pNewEnvelopeFeedback==null)
{
pNewEnvelopeFeedback = null;
bInuse = false;
return;
}
IEnvelope pEnvelope=pNewEnvelopeFeedback.Stop();
if((pEnvelope.IsEmpty)||(pEnvelope.Width==0)||(pEnvelope.Height==0))
{
pNewEnvelopeFeedback = null;
bInuse = false;
return;
}
addNorthArrowForm northArrow = new addNorthArrowForm();
IStyleGalleryItem pStyleGalleryItemTemp = Form1.pStyleGalleryItem;
if (pStyleGalleryItemTemp==null)
{
return;
}
IMapFrame pMapframe = axPageLayout.ActiveView.GraphicsContainer.FindFrame(axPageLayout.ActiveView.FocusMap)as IMapFrame;
IMapSurroundFrame pMapSurroundFrame = new MapSurroundFrameClass();
pMapSurroundFrame.MapFrame = pMapframe;
pMapSurroundFrame.MapSurround = (IMapSurround)pStyleGalleryItemTemp.Item;
//在pageLayout中根据名称查要Element，找到之后删除已经存在的指北针
IElement pElement = axPageLayout.FindElementByName("NorthArrows");
if (pElement!=null)
{
axPageLayout.ActiveView.GraphicsContainer.DeleteElement(pElement); //删除已经存在的指北针
}
pElement = (IElement)pMapSurroundFrame;
pElement.Geometry = (IGeometry)pEnvelope;
axPageLayout.ActiveView.GraphicsContainer.AddElement(pElement, 0);
axPageLayout.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
pNewEnvelopeFeedback = null;
bInuse = false;
}
}
}
----------------------------------------添加比例尺（Scale Bars）-----------------------------------
using System;
using System.Collections.Generic;
using System.Text;
using ESRI.ArcGIS.Carto;
using ESRI.ArcGIS.Controls;
using ESRI.ArcGIS.Display;
using ESRI.ArcGIS.Geometry;
using ESRI.ArcGIS.ADF.BaseClasses;
namespace WindowsApplication1
{
sealed class addScaleBar:BaseTool
{
//----------------------------------------------------------
//发现的重大问题，如果用IHookHelper，就会出现问题，用AxPageLayoutControl则不会出现问题，以后注意
//private IHookHelper pHookHelper=null;
private AxPageLayoutControl axPagelayoutControl = null;
private IPoint pPoint;
private INewEnvelopeFeedback pNewEnvelopeFeedback;
private bool bInuse;
public addScaleBar()
{
base.m_caption = "ScaleBar";
base.m_category = "myCustomCommands(C#)";
base.m_message = "Add a scale bar map surround";
base.m_name = "myCustomCommands(C#)_ScaleBar";
base.m_toolTip = "Add a scale bar";
base.m_deactivate = true;
}
public override void OnCreate(object hook)
{
//pHookHelper.Hook = hook;
axPagelayoutControl = hook as AxPageLayoutControl;
}
public override void OnMouseDown(int Button, int Shift, int X, int Y)
{
pPoint = axPagelayoutControl.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(X, Y);
bInuse = true;
}
public override void OnMouseMove(int Button, int Shift, int X, int Y)
{
if (bInuse==false)
{
return;
}
if (pNewEnvelopeFeedback==null)
{
pNewEnvelopeFeedback = new NewEnvelopeFeedbackClass();
pNewEnvelopeFeedback.Display = axPagelayoutControl.ActiveView.ScreenDisplay;
pNewEnvelopeFeedback.Start(pPoint);
}
pNewEnvelopeFeedback.MoveTo(axPagelayoutControl.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(X, Y));
}
public override void OnMouseUp(int Button, int Shift, int X, int Y)
{
if (bInuse==false)
{
return;
}
if (pNewEnvelopeFeedback==null)
{
pNewEnvelopeFeedback = null;
bInuse = false;
return;
}
IEnvelope pEnvelope = pNewEnvelopeFeedback.Stop();
if ((pEnvelope.IsEmpty)||(pEnvelope.Width==0)||(pEnvelope.Height==0))
{
pNewEnvelopeFeedback = null;
bInuse = false;
return;
}
AddScaleBarForm scaleBarForm = new AddScaleBarForm();
//scaleBarForm.Show();
IStyleGalleryItem pStyleItem = Form1.pStyleGalleryItem;
if (pStyleItem == null)
{
return;
}
IMapFrame pMapframe = axPagelayoutControl.ActiveView.GraphicsContainer.FindFrame(axPagelayoutControl.ActiveView.FocusMap) as IMapFrame;
IMapSurroundFrame pSurroundFrame = new MapSurroundFrameClass();
pSurroundFrame.MapFrame = pMapframe;
pSurroundFrame.MapSurround = (IMapSurround)pStyleItem.Item;
//在pageLayout中根据名称查要Element，找到之后删除已经存在的比例尺
IElement pelement = axPagelayoutControl.FindElementByName("ScaleBars");
if (pelement != null)
{
axPagelayoutControl.ActiveView.GraphicsContainer.DeleteElement(pelement); //删除已经存在的指北针
}
pelement = (IElement)pSurroundFrame;
pelement.Geometry = (IGeometry)pEnvelope;
axPagelayoutControl.ActiveView.GraphicsContainer.AddElement(pelement, 0);
axPagelayoutControl.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
pNewEnvelopeFeedback = null;
bInuse = false;
}
}
}
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